In addition to the points of interest and museums, you can take walking tours of Madrid that show visitors its cuisine, through its wines and tapas
Madrid Tours - Hellotickets
Spain & Portugal Private Tour
How to Spend Four Days in Madrid: A Guide to Seeing the City
Madrid Food Tours: The Best 15 Food Experiences
Madrid: Private Customized Walking Tour With A Local Host
Spain and Portugal Private and Small Group Guided Tours - Context
9-nights tour through Madrid, Seville & Barcelona
Highlights of Spain & Portugal: Cities, Beaches & Culture - 15
Concise Lisbon Walking Tour
Tailor This Trip to Spain and Portugal Designed by a Local
Grand Tour of Spain & Portugal - 15 Days / Authentic Europe
Introduction to Madrid Private and Small Group Tour - Context Travel
Treasures of Spain and Portugal Tour